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BS EN 14414-2004
Geokunststoffe. Auswahlpruefverfahren zur Bestimmung der chemischen Bestaendigkeit bei der Anwendung in Deponien Geosynthetics Screening test method for determining chemical resistance for landfill applications Geosynthetiques. Methode d'essai selective permettant de determiner la resistance chimique pour l'utilisation dans les centres de stockage de dechets
适用范围：This European Standard describes a test method to determine the chemical resistance of geosynthetics to liquid municipal, agricultural and industrial wastes, using a laboratory immersion procedure. The procedure includes three chemical compounds chosen to initiate known types of chemical degradation, and a synthetic leachate representative of a landfill containing domestic waste. The procedure can also be applied using a site-specific leachate. These options are denoted by methods A to E: — method A: hydrolysis under acidic conditions; — method B: hydrolysis under basic conditions; — method C: solvation/swelling; — method D: synthetic leachate; — method E: any site-specific leachate; The method of evaluation (see clause 9) differs according to whether the material is a geotextile, a polymeric or bituminous geosynthetic barrier, or a geosynthetic clay barrier. In the case of geosynthetic clay barriers only the polymeric component will be tested.
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